I Take Two Pictures of My Dog Kaycee

question 25

Multiple Choice

I take two pictures of my dog Kaycee.I use the same film and level of illumination for both pictures,but I quadruple the f-number for the second picture.By what factor will the required time of exposure change if the film is to receive the same total light energy?

• A)0.06
• B)0.25
• C)4.0
• D)16.0
• E)​3.0

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Definitions:

Environmental Events

Occurrences or changes in the physical world surrounding an organism that can influence its behavior and survival.

Secondary Reinforcement

A type of reinforcement that has acquired value through being paired with primary reinforcers or through association with other reinforcing stimuli.

Primary Reinforcement

A reinforcing stimulus that satisfies a basic biological need or drive, such as food, water, or warmth.

Tertiary Reinforcer

A conditioned reinforcer that does not inherently satisfy a basic biological need but has acquired its reinforcing value through association with secondary and primary reinforcers.